1-{(1R,2S,3S)-5-Benzyloxy-3-(tert-butyl-dimethyl-silanyloxy)-1-[(S)-1-(tert-butyl-diphenyl-silanyloxymethyl)-allyl]-2-methyl-pentyloxymethyl}-4-methoxy-benzene

(-)-(R)-4-benzyl-3-[(2R,3S)-5-(benzyloxy)-3-(tert-butyldimethylsilyloxy)-2-methylpentanoyl]-1,3-oxazolidin-2-one

1-{(1R,2S,3S)-5-Benzyloxy-3-(tert-butyl-dimethyl-silanyloxy)-1-[(S)-1-(tert-butyl-dimethyl-silanyloxymethyl)-2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2-methyl-pentyloxymethyl}-4-methoxy-benzene